[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100645578":3},{"organization":4,"armGroups":7,"interventions":14,"overallOfficials":20,"centralContacts":25,"locations":31,"responsibleParty":43,"collaborators":10,"id":46,"slug":47,"hasResults":48,"nctId":49,"briefTitle":50,"officialTitle":51,"acronym":52,"eligibilityCriteria":53,"healthyVolunteers":48,"sex":54,"minAge":55,"maxAge":10,"enrollmentInfo":56,"targetDuration":10,"studyType":59,"phases":10,"briefSummary":60,"conditions":61,"keywords":65,"overallStatus":75,"whyStopped":10,"lastUpdateSubmitDate":76,"lastUpdatePostDateStruct":77,"startDateStruct":80,"completionDateStruct":82,"leadSponsor":84,"locationsCount":85},{"fullName":5,"class":6},"Ankara City Hospital Bilkent","OTHER",[8],{"label":9,"type":10,"description":11,"interventionNames":12},"Adult Cardiac Surgery Cohort",null,"Adult patients undergoing elective cardiac surgery who undergo ultrasound-guided internal jugular vein catheterization. Preoperative frailty, handgrip strength, and ultrasound-derived internal jugular venous anatomical parameters are assessed before catheterization.",[13],"Procedure: Ultrasound-Guided Internal Jugular Vein Catheterization",[15],{"type":16,"name":17,"description":18,"armGroupLabels":19,"otherNames":10},"PROCEDURE","Ultrasound-Guided Internal Jugular Vein Catheterization","Ultrasound-guided internal jugular vein catheterization performed as part of routine perioperative clinical care in adult cardiac surgery patients. No additional study-specific intervention is performed.",[9],[21],{"name":22,"affiliation":23,"role":24},"Zeliha Aslı Demir, MD","Ankara Bilkent City Hospital, Department of Anesthesiology and Reanimation","PRINCIPAL_INVESTIGATOR",[26],{"name":27,"role":28,"phone":29,"phoneExt":10,"email":30},"Fatıma Beyza Artıran, MD","CONTACT","+905073622219","beyzaartiran@gmail.com",[32],{"facility":33,"status":10,"city":34,"state":34,"zip":35,"country":36,"countryCode":10,"cosmosGeoPoint":37,"geoPoint":42,"contacts":10},"Ankara Bilkent City Hospital","Ankara","06800","Turkey (Türkiye)",{"type":38,"coordinates":39},"Point",[40,41],32.85427,39.91987,{"lat":41,"lon":40},{"type":24,"investigatorFullName":44,"investigatorTitle":45,"investigatorAffiliation":5,"oldNameTitle":10,"oldOrganization":10},"Fatıma Beyza Artıran","Resident Physician, Department of Anesthesiology and Reanimation","100645578","frailty-and-ultrasound-guided-central-venous-catheterization-difficulty-in-adult-cardiac-surgery-patients-100645578",false,"NCT07701538","Frailty and Ultrasound-Guided Central Venous Catheterization Difficulty in Adult Cardiac Surgery Patients","Association Between Frailty and Central Venous Catheterization Difficulty in Adult Cardiac Surgery Patients: A Prospective Ultrasound-Based Observational Study","FRAILCVC","Inclusion Criteria\n\n* Adults aged 18 years or older.\n* Scheduled for elective cardiac surgery.\n* Planned ultrasound-guided internal jugular vein catheterization as part of routine perioperative care.\n* Able to undergo preoperative frailty assessment using the Clinical Frailty Scale (CFS).\n* Able to perform handgrip strength measurement.\n* Able to undergo ultrasound assessment of the internal jugular vein.\n* Provided written informed consent.\n\nExclusion Criteria\n\nConditions Affecting Neck Anatomy\n\n1. Previous neck surgery.\n2. History of radiotherapy to the neck region.\n3. Presence of a neck mass, infection, or any lesion that may distort neck anatomy.\n4. Known internal jugular vein thrombosis.\n5. Congenital vascular anomalies causing significant alteration of the internal jugular vein or carotid artery anatomy.\n\nClinical Conditions Affecting Catheterization\n\n1. Patients requiring emergency cardiac surgery.\n2. Presence of an existing central venous catheter.\n3. Severe coagulopathy (INR \\> 2.0 or platelet count \\\u003C 50,000\u002Fmm³).\n4. Hemodynamic instability or requirement for active cardiopulmonary resuscitation.\n\nConditions Affecting Frailty and Handgrip Strength Assessment\n\n1. Severe neurological disorders (e.g., advanced dementia or disabling sequelae of stroke).\n2. Orthopedic or neuromuscular disorders affecting upper extremity function.\n3. Inability to perform handgrip strength measurement due to severe arthritis or hand deformity.\n\nConditions Affecting Study Participation\n\n1. Cognitive impairment preventing reliable clinical assessment or informed participation.\n2. Refusal to participate in the study.\n3. Any other condition that, in the investigator's judgment, may compromise patient safety or interfere with study participation.","ALL","18 Years",{"count":57,"type":58},280,"ESTIMATED","OBSERVATIONAL","This prospective observational study aims to evaluate the association between preoperative frailty and the procedural difficulty of ultrasound-guided internal jugular vein catheterization in adult patients undergoing elective cardiac surgery.\n\nFrailty will be assessed using the Clinical Frailty Scale and handgrip strength measurements. Preprocedural ultrasound evaluation will include internal jugular vein anatomical characteristics such as anteroposterior and transverse vein diameters, cross-sectional area (CSA), common carotid artery diameter, skin-to-vein distance, overlap status, and sternocleidomastoid muscle thickness Catheterization difficulty will be assessed using the Gaber Procedural Difficulty Index.\n\nThe study seeks to determine whether frailty and ultrasound-derived anatomical parameters can predict difficult internal jugular venous catheterization and improve preprocedural risk assessment without altering routine clinical care.",[62,63,64],"Frailty","Cardiac Surgery","Central Venous Catheter",[66,67,68,69,70,71,72,73,74],"frailty","central venous catheterization","ultrasound-guided catheterization","cardiac surgery","internal jugular vein","difficult catheterization","handgrip strength","venous anatomy","adult patients","NOT_YET_RECRUITING","2026-07-08",{"date":78,"type":79},"2026-07-14","ACTUAL",{"date":81,"type":58},"2026-07-25",{"date":83,"type":58},"2027-06",{"name":5,"class":6},1]